Natalia Irina "Natasha" Aguilar Komissarova (June 2, 1970 – January 1, 2016) was a female freestyle swimmer from Costa Rica who earned two medals (silver and bronze) with the women's relay team at the 1987 Pan American Games.

She also represented her native country at the 1988 Summer Olympics in Seoul, South Korea.

Graduated from high school from Colegio La Salle in San Jose, Costa Rica.

Aguilar died on January 1, 2016, of complications from a stroke after falling down the stairs.

This biographical article related to a Costa Rican swimmer is a stub.